451505969152 has 96 divisors (see below), whose sum is σ = 1092454140960. Its totient is φ = 182119956480.

The previous prime is 451505969149. The next prime is 451505969191. The reversal of 451505969152 is 251969505154.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 451505969152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682599 + ... + 1170022.

It is an arithmetic number, because the mean of its divisors is an integer number (11379730635).

Almost surely, 2^451505969152 is an apocalyptic number.

It is an amenable number.

451505969152 is an abundant number, since it is smaller than the sum of its proper divisors (640948171808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451505969152 is a wasteful number, since it uses less digits than its factorization.

451505969152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852667 (or 1852647 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 52.

The spelling of 451505969152 in words is "four hundred fifty-one billion, five hundred five million, nine hundred sixty-nine thousand, one hundred fifty-two".